S
M
T
W
T
F
S
26
91°
73°
27
90°
72°
28
89°
73°
29
94°
72°
30
93°
73°
31
94°
73°
1
94°
73°
2
93°
72°
3
95°
73°
4
94°
73°
5
93°
72°
6
94°
73°
7
93°
72°
8
86°
71°
9
87°
69°
10
87°
69°
11
88°
70°
12
89°
70°
13
88°
69°
14
88°
71°
15
89°
72°
16
91°
72°
17
92°
71°
18
91°
71°
19
91°
72°
20
92°
72°
21
91°
71°
22
91°
71°
23
89°
70°
24
88°
71°
25
90°
71°
26
90°
70°
27
91°
71°
28
92°
69°
29
94°
70°
30
94°
67°
31
89°
68°
1
93°
69°
2
92°
67°
3
88°
67°
4
87°
66°
5
89°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Sebastopol
Sebastopol's August 2026 forecast shows daily high temperatures ranging from 86° to 95°, with overnight lows between 65° and 73°. The average high for August is 91° with an average low of 71°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Sebastopol. See also: September | October | November.
